Government procurement case of the Datong 3308 yellow-plate sewage treatment vehicle: Qualification review and solution analysis. In daily operations of municipal sanitation departments, sewage treatment vehicles serve as critical equipment for urban sewage collection, transportation, and emergency treatment; their procurement process typically involves rigorous qualification reviews and comparative solution evaluations. This article analyzes, using the government procurement case of a 3308 yellow-plate sewage treatment vehicle in a certain region (Datong as an example), the essential qualification checklist for legitimate manufacturers, methods for verifying production licenses, and demonstrates—using Chengli Special Purpose Vehicle Co., Ltd.’s products—as an example how standardized procurement ensures equipment quality and regulatory compliance. Case Background: Procurement Requirements for a 3308 Yellow-Plate Sewage Treatment Vehicle by a Municipal Sanitation Department A municipal sanitation department (hereinafter referred to as the "procuring entity") plans to procure a batch of 3308 yellow-plate sewage treatment vehicles for emergency treatment and transportation of industrial and domestic wastewater within its jurisdiction. According to publicly released tender information, the budget is approximately RMB 276,000–387,000 per unit; vehicles must comply with China VI emission standards and feature high-suction capability, large tank capacity (approximately 8–12 m³), and automated operation functions. The procuring entity specifically emphasized that bidders must submit complete qualification documents—including the MIIT (Ministry of Industry and Information Technology) vehicle model announcement, production license, and environmental compliance certification—to ensure nationwide registration, annual inspection, and commercial operation eligibility. After multiple rounds of qualification review and solution comparison, Chengli Special Purpose Vehicle Co., Ltd. (hereinafter referred to as "Chengli") was selected as one of the project suppliers, owing to its comprehensive qualification system, transparent configuration proposals, and robust after-sales service network. Below is an in-depth analysis based on this case. Part I: Essential Qualification Checklist for Legitimate Manufacturers In government procurement, qualification review serves as the first screening threshold for supplier selection. Per the "People’s Republic of China Government Procurement Law" and industry standards for special-purpose vehicles, legitimate manufacturers must provide the following core qualification documents: • Business License: Verifies legal registration of the manufacturer and confirms that its business scope includes special-purpose vehicle manufacturing or sales. • MIIT Announcement of Vehicle Manufacturers and Products: Ensures the specific vehicle model (e.g., CLW5070GSSD6, CLW5180GSSD6, etc.) is officially registered with the MIIT and thus legally authorized for production and sale. • CCC Certification (China Compulsory Certification): Confirms compliance with national mandatory safety standards. • Environmental Compliance Announcement (China VI Emission Standard): All models must meet the National VI Motor Vehicle Pollutant Emission Standards to ensure nationwide registration eligibility. • ISO Quality Management System Certification: Demonstrates standardization and quality control capabilities throughout the manufacturing process. • After-Sales Service Commitment Letter: Clearly specifies nationwide joint warranty coverage for chassis (e.g., Dongfeng, Sinotruk, etc.) and lifetime service for superstructure components. During the review process, the procuring entity particularly focuses on "completeness of announcements," as missing announcements may prevent vehicle registration, resulting in wasteful expenditure of public funds. As one of China’s largest special-purpose vehicle manufacturers—with 946 product entries covering